NAG Library Function Document

nag_real_smallest_number (X02AKC)

nag_real_smallest_number (X02AKC) returns the smallest positive floating-point number.

nag_real_smallest_number (X02AKC) is a constant defined in the C Header file.

nag_real_smallest_number (X02AKC) returns the smallest positive number in the model of floating-point arithmetic described in the x02 Chapter Introduction. The returned value is equal to $b^{e_{\min }-1}$, where $b$ is the arithmetic base (see nag_real_base (X02BHC)) and $e_{\min }$ is the minimum exponent (see nag_real_min_exponent (X02BKC)) in the model.

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